How many CVEs have patched trailingSlashMismatchTemplate?

2 published CVEs changed trailingSlashMismatchTemplate in withastro/astro, in 2 distinct patches totalling 20 changed lines, between 2025 and 2025.

What is the latest CVE that changed trailingSlashMismatchTemplate?

CVE-2025-64764 (Astro is vulnerable to Reflected XSS via the server islands feature), published 2025-11-19, changed lines 137 to 141 of packages/astro/src/template/4xx.ts.

How does trailingSlashMismatchTemplate compare to the rest of withastro/astro?

withastro/astro has 34 CVEs with a located fix in total; 2 of them changed trailingSlashMismatchTemplate.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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TrailingSlashMismatchTemplate

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Patched Functions
Withastro
Astro
TrailingSlashMismatchTemplate

trailingSlashMismatchTemplate in withastro/astro: Patched by 2 CVEs

withastro/astro

Function

trailingSlashMismatchTemplate

Name: trailingSlashMismatchTemplate in withastro/astro: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

packages/astro/src/template/4xx.ts

Last patched November 19, 2025

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

trailingSlashMismatchTemplate in withastro/astro was changed by 2 published CVE fixes in 2025, in 2 distinct patches that added or removed 20 lines in total.

withastro/astro has 34 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed trailingSlashMismatchTemplate, newest first, with the lines each fix touched.

Astro is vulnerable to Reflected XSS via the server islands feature
CVE-2025-64764 · lines 137–141 · +3 −2
High · CVSS 7.1
EPSS 0.5%2025-11-19
Astro development server error page vulnerable to reflected Cross-site Scripting
CVE-2025-64745 · lines 133–147 · +15 −0
Medium · CVSS 6.1
EPSS 0.3%2025-11-13

Get an alert when the next CVE fix lands in withastro/astro, with the patched functions.

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Other hotspots in the repository

Functions in withastro/astro changed by the most CVE fixes.

loadRemoteImage3 CVEs · packages/astro/src/assets/endpoint/shared.ts createRequest2 CVEs · packages/astro/src/core/app/node.ts remoteImagesFromAstroConfig2 CVEs · packages/integrations/netlify/src/index.ts remotePatternToRegex2 CVEs · packages/integrations/netlify/src/index.ts createEndpoint2 CVEs · packages/astro/src/core/server-islands/endpoint.ts createManifest2 CVEs · packages/astro/src/container/index.ts

All patched functions in withastro/astro

Frequently asked questions

Common questions about CVE fixes to trailingSlashMismatchTemplate.

How many CVEs have patched trailingSlashMismatchTemplate?: 2 published CVEs changed trailingSlashMismatchTemplate in withastro/astro, in 2 distinct patches totalling 20 changed lines, between 2025 and 2025.
What is the latest CVE that changed trailingSlashMismatchTemplate?: CVE-2025-64764 (Astro is vulnerable to Reflected XSS via the server islands feature), published 2025-11-19, changed lines 137 to 141 of packages/astro/src/template/4xx.ts.
How does trailingSlashMismatchTemplate compare to the rest of withastro/astro?: withastro/astro has 34 CVEs with a located fix in total; 2 of them changed trailingSlashMismatchTemplate.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

packages/astro/src/template/4xx.ts on GitHub (opens in a new tab)
All patched functions in withastro/astro
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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